Type-writer.



No. 686,!58. Patented Nov. 5. 19m.

c. sPmo.

TYPE WRITER (Application filed July 2'1, 1900.)

INVENTOR 4 Sheets-Sheet I.

(No Model.)

W/TMZZ Sp ira Atwme norms PETERS co. PNOY N0. 686,l58. Patented Nov. 5,I90I.

C. SPIRO.

TYRE WRITER.

(Application filed July 27, 1900.) (No Modal.) 4 Sheets-Sheet 2.

t [NI ENTOR W1 TNESSES: V gmzgs Spzro,

4 Z (7'/(/ r A orney No. 686,l58. Patented Nov. 5, IQOI.

c. SPIRO.

TYPE WRITER.

' (Applipation filed July 27, 1900.) (No Model.) 4 Sheets-Sheet 3.

THE Nam-gs Pzrzns co. momu-ruu WASHINGYON. u. c

' Patented Nov. 5, I90l. C. SPIRO. v

TYPE WRITER.

(Application filed July 27, 1900.)

4 Sheets$heet 4.

(No Model.)

Altar 1 TATES :NITE

CHARLES SPIRO, OF NE\V YORK, N. Y.

TYPE-WRITER.

SPECIFICATION forming part Of Letters Patent No. 686,158, dated November5, 1901.

Application filed July 27,1900. Serial No. 25,030; (No model.)

To ctZZ wh0m it may concern:

Be itknown that I, CHARLES SPIRO, a citizen of the United States,residing at New York, in the county of New York, State of New York, haveinvented certain new and useful Improvements in Type-Writers, of whichthe following is a specification, reference being had therein to theaccompanying drawings.

This invention has relation to type-writers; and among the objects inview are the provision of simply-constructed, accurately-operating, andcompactly-arranged escapement, keyboard-locking, and bell-ringingmechanisms.

Other objects and advantages of the in vention will hereinafter appearin the following description, and the novel features thereof will beparticularly pointed out in the appended claims.

In the drawings, Figure 1 is a plan, with portions removed, of atype-writer provided with my improvements. Fig. 2 is a side elevation,with parts in section, of the same niachine. Fig. 3 is a perspective ofthe bellhammer. Fig. 1 is a perspective of the bellhammer trip. Fig. 5is a similar view of a stop-pawl hereinafter described. Fig. 6 is aperspective of the housing for the escapement-dogs. Fig. 7 is a plan ofthe blank from which the housing illustrated in Fig. 6 is made. Fig. 8is aplan, on ascale of about one-half full size, of the esca-pemcnt andadjacent devices with the top of theirinclosing case broken away. Fig. 9is a rear elevation of the parts shownin Fig. 8. Fig. 10 is asection onthe line 10 10 of Fig. 9, showing in side elevation the bell-trip andits adjacent A is the frame of the machine, and upon its top are thefixed transverse rails B, Fig. 2, having the track B for the receptionand operation of balls B on which the carriage O is supported bybearing-surfaces 0 C The platen D, with its cradle D, and the papertableD with its locking-lever D projecting beyond the pivot D in the form ofan arm D which is connected by a rod D to a key at the keyboard of themachine are alike in construction and operation with that shown,described, and claimed in my Patent No. 595,838 of December 21, 1897,and therefore require no further particular description herein.

At the rear ends of the side pieces of the carriage is supported thecarriage-feed rackbar E by pivots e and adjusted by screws 6, and uponthe top of the carriage-frame C is supported in any desired manner amargingage rack-bar F, the teeth of which project at each side of itsmid-length inwardly toward said point of the rack, and upon said rack Fare adjustably mounted marginal gageblocks F, each having a stopprojection f and a depending projectionf', (see Fig. 9,) the latterbeing for the operation of the belltrip hereinafter described and theformer coacting with a stop-lever. One wall of these projections of theblock F is inclined to per.- mit of the passage of the carriage in onedirection, while it will be stopped in its passage in the oppositedirection by the contact of the projection f with other partshereinafter described.

Referring to Fig. 1, E is the release-key, which is extended beneath therack E beyond its pivot e for the purpose of lifting the rack fromcontact with the escapement-dogs in the manner and for the purpose wellknown in the art.

G represents a casing or cover secured upon the top of the frame A bymeans of screws 9, and within this casing and confined to the middleportion of the frame A and at the rear thereof are located theescapement, keyboard locking, and bell-ringing mechanisms of themachine, suitable openings being formed through the top of the frame forconnection with the operative devices below said top, while the front ofthe casing G is also open for the projection of parts which coact withthe feed and marginal racks of the machine.

Referring to Fig. 2, which shows the bellringing mechanism in elevation,H represents the body portion of the bell-trip, which portion isextended downwardly in the form of a hammer h and has at each extremitya pivot h, the upper one resting in a socket formed in the under surfaceof the top of the case G, while the lower pivot rests in a socket formedin the top of the frame A. The hammer h is formed on an extension of thebody portion, which is at one side of the pivots, so that when the bodyportion is swung upon its pivots the hammer proper is carried away fromthe bell, so as to strike the bell when returned to its normal position.At It there is pivoted a trip-pawl H, shown detached in Fig. 4 as havinga projecting arm h", to which a spring h, Fig. 14, is connected at oneend, while the opposite end is connected to a fixed part of the housing.The pawl H is curved so that its free end extends upwardly into the pathof a margin-block F and of the projection f thereof. Now it will benoted that as the margin-block advances into contact with the pawl H itwill carry said pawl with it, turn the body portion of the bell-trip asit moves in contact with the vertical face of the depending projectionf, and during this movement the pawl H will move on its pivot, puttingthe spring h under tension, and finally as the block F completes itspassage by or beyond the bell-trip the pawl H will escape therefrom andthe spring will cause the hammer to strike the bell. It will also benoted that in an opposite movement of the gage-block the inclined wallof the depending projection f will simply depress pawl H and passwithout ringing the bell. The spring k is arranged to draw both thehammer and the pawl H back to a normal position of rest after a passageof block F.

From the above it will be seen that the bell-trip mechanism consists oftwo simple devices which can be readily manufactured by the use of diesin striking the same out of sheet metal and subsequently shaping thesame. Furthermore, this form of construction facilitates a compactarrangement of not only the bell-striking mechanism, but of theremaining elements which are housed in the casing G.

1 represents a line-stop lever which is pivoted in a bracket 1, formedas a part of or secured to the case G, as clearly shown in the variousfigures. This stop-pawl projects into the path of the margin-block andover the rack E, whereby when the latter is lifted the pawl I is alsolifted out of the path of the block, as is evident from the manner ofits support and its location. The position of the free end of pawl I issuch that a marginblock F will abut against the same at a predeterminedend of a line, and by means of the release-key E the step-by-stepfeed-rack E may be raised into contact with and so as to lift the pawl Iabove the margin-block to permit a movement of the carriage beyond saidpawl.

The next mechanism, Figs.11 and 13, within the case G to be consideredis the keyboardlocking device. This mechanism comprises a body portionJ, having an upper and lower pivotj and projection j, having an angularextension 1' which extension is recessed on one side, as shown atj Figs.1 and 14. At 9' there is pivoted upon the body portion J a double pawlJ, which is formed to embrace the body J, as clearly shown in Fig. 14,and to project into the path of the margin-blocks F by means of theupper pawl J This upper pawl and the lower pawl J comprise an integraldouble pawl adapt-ed to operate in relation to independent movableparts. Near the pivotj the double pawl J is offset, as at j, Fig. 14,parallel with its armj to form a lower pawl J having a functionhereinafter described, and between said lower pawl and the pivotal pointis a depending arm J, to which is secured a spring J the other end ofwhich spring is secured to a pin projecting from the bed of the machine.The operation of these devices will be the better understood afterdescribing the escapement mechanism proper, with which it cooperates.

A reference to Figs. 12 and 14 will show the general arrangement of theescapement devices, wherein immediately below the rack E are two dogs KK of the usual construction and arrangement for cooperation with therack to give a step-by-step movement to the carriage. These dogs aresecured operatively in a housing L, which has a rearwardly-extendingpawl-arm L, to which a rod L is secured at one end, while the oppositeend of the rod is connected in any desired manner with the universalbail of the machine. The housing L is made from a single piece of sheetmetal cut to substantially the outline illustrated in Fig. 7 andcomprises a projection L This blank when folded upon the dotted linesshown constitutes the housing illustrated in Fig. 6. The housing ismounted pivotally on the point pins, screws, or bolts M, passing throughstandards M, (see Fig. 14,) and set-screws M Fig. 9, serve to maintainthe pins M in an adjusted position, whereby the housing is pivotallysupported with firmness and with a minimum of friction on its bearings.Upon one of the posts M is mounted a wheel N, which bears against onewall of the housing and serves to receive or reinforce the housingagainst the shock of the step-by-step movement of the carriage.

Now it will be noted that at each depression of the universal hail therod L draws down the arm L of the housing and causes the fixed andmovable pawls to oscillate across the teeth of the rack E, and thusproduce the desired step-by-step feed of the carriage. It is apparentthat if an obstruction is interposed between the under surface of thearm L and the upper surface of the top of the frame A the oscillation ofthe dogs beneath the rack will be prevented, and consequently no feed ofthe carriage would then take place. Such an. obstacle is provided in theangular extension j of the body portion J, hereinbe- ICC fore described.The interposition of this extension, as described, is accomplished inthe following manner: When in the advancement of the carriage amargin-block F comes into contact with the arm or upper extension J itcauses the body portion J to swing upon its pivots, so as to bring thatportion of the extension beyond its recess 7' Fig. 14, between the arm Land the top of the machineframe. The spring J brings the parts to theirnormal condition after the passage of the margin-block. The lower pawl Jwith its arm J, is intended for use in connection with other mechanism.Generally speaking, however, the pawl J may serve to retain in thedesired position the type-bar frame and to release the same inconjunction with the operation of the key-bar-locking mechanism justdescribed. Such a type-bar frame may be any movable or tiltableframe-for example, such as is described in my copending application,Serial No. 34,047, filed October 23, 1900.

Referring to Fig. 14, there will be seen a screw L seated in thedepending flange of the frame A and connected with a spring L the otherend of which spring is connected to the depending lug or projection L ofthe escapement-dog housing. By means of this screw and spring thereciprocation of the housing and the dogs in the direction opposite tothat caused by the rod or ligament L is produced and regulated.

As thus far described it will be seen that the step-feed escapementmechanism, the marginal regulating devices, the bell-ringing mechanism,and the keyboard-locking mechanism are all produced from sheet materialin a form which can be manufactured at a minimum expense and whichoccupy in an operatively-assembled condition a comparatively restrictedarea, and yet are each provided with ample space for theirindividual andcollective operations in conjunction with the main elements of themachine and involved in its practical use, furthermore, that all ofthese mechanisms are housed by a comparatively small casing, whichprotects them from injury by contact of extraneous objects and from theaccumulation of dust and other impedimenta.

It is apparent that many .of the details of construction herein shownand described may be varied to a great extent by the exercise of suchmere mechanical skill as is possessed by persons conversant in theconstruction and operation of machines of this character. For example,the manner of attaching the spring to the bell-ringing,keyboard-locking, or other spring retracted or operated parts may bevaried, and in all other respects the invention apprehends such andsimilar changes of minor details.

Having described my invention, what I claim as new, and desire to secureby Letters Patent, is.

1. In a type-writer and in combination with the top of the framethereof, a casing having bearings, coacting bearings in the top of theframe, and keyboard-locking and bell-ringing devices mounted in saidbearings; substantially as specified.

2. In a type-writer and in combination with the top of the framethereof, a casing mounted on said top, and a bell-ringing mechanismmounted on the top and having opposite bearings in the casing and saidtop; substantially as specified.

3. In a type-writer and in combination with the top frame thereof, acasing mounted thereon and having a bearing, the top also having abearing, and a keyboard-locking mechanism mounted in said bearings;substantially as specified.

4. In a typewriterya carriage-feed escapement, bell-ringing mechanismand keyboardlocking mechanism arranged upon the top of the frame andwithin a case located thereon; substantially as specified.

5. In a type-Writer and in combination wit the carriage thereof, afeed-rack, a marginal gage carried by the carriage and having anadjustable margin-block provided with projections located in difierentplanes, of a feedescapement cooperating with said rack, bellringing andkeyboard-locking mechanisms pivoted in parallel vertical planes at oneside of said rack and projecting into the different planes of theprojections upon the marginblock; substantially as specified.

6. In a type-writer, the location and arrangement of the escapement,carriage-stop, bell-ringing and keyboard-locking mechanisms at a centralrear point of the machine, in combination with a case for inclosing thesame; substantially as specified.

7. In a typewriter, a casingsecured to the top of the frame thereof andhaving a stop- .pawl pivoted thereto and projecting over the feed-rackof the machine; substantially as specified.

1 8. A housing for escapement-dogs formed from sheet material andcomprising four inclosing walls, a depending extension below one of saidwalls, and a projecting arm extending laterally from an opposite wallthereof; substantially as specified.

9. In a type-writer, the combination with a traveling carriage having anabutment carried thereby, of a bell-ringing mechanism comprising a bodyportion having pivots at opposite ends, a laterally-arranged hammer, anda horizontally and pivotally connected body-turning trip; substantiallyas specified.

10.- In a type-writer, the combination with a traveling carriage havingan abutment carried thereby, of a bell-ringing mechanism comprising avertically pivoted body portion, a laterally-arranged hammer, and ahorizontally-pivoted trip having an arm for the connection of a spring;substantially as specified.

11. In a type-writer, the combination with a traveling carriage havingan abutment carried thereby, of a bellringing mechanism pivots and alaterally-arranged hammer, a

curved horizontally-pivoted trip having an arm, and a spring extendingfrom said arm to afixed part; substantially as specified.

ringing mechanism comprising a body portion having terminal pivots andmounted for oscillation in one plane and having a trip mounted on thebody between its pivots for oscillation in a different plane andextending into the path of the abutment on the carriage; substantiallyas specified.

13. In a typewriter and in combination with a carriage having anabutment, bellringing mechanism comprising a verticallypivoted bodyhaving a laterally-located hammer, a relatively horizontally pivotedtrip projecting from said body at a point between 5 its pivots into thepath of the said abutment,

and means for returning the ringing mechanism to its normal positionafter the opera- 1 tion thereof by said abutment; substantially I asspecified.

pivoted to said body at one side of its pivots and adapted to oscillatein two directions at an angle to the oscillations of the hammer;substantially as specified.

path of the carriage-abutment, whereby when the abutment is reached, theescapement mechanism is directly prevented from oper-.

ating to feed the carriage; substantially as specified.

16. In a type-writer, a carriage, feed-rack and cooperating escapementmechanism having an arm combined with keyboard-locking mechanismcomprisinga body portion having pivots and an extension provided with alati eral projection adapted to contact directly with an armcarried bysaid escapement mechanism, and means for rot-ating the body portion onits pivots; substantially as specified. 17. In a type-writer and incombination with a carriage, feed-rack'and cooperating.

escapement mechanism thereof, an arm projecting from said mechanism, anoscillating member having a projection and lateral ex-.

tension, and means for throwing the extension beneath and to contactdirectly with the arm of the escapement mechanism; substantially asspecified;

18. In a type-writer and in combination with the top of the framethereof, a carriage feed rack and cooperating escapement mechanismhaving a projection or arm movable toward and from the top of the frame,a keyboard-locking mechanism involving a device 12. In a type-writer andin combination with the carriage having an abutment, of bellpivotedvertically on the top of theframe for horizontal oscillation and havinga lateral extension, and means for bringing the extension between and incontact with the arm and the frame of the machine to prevent operationof the escapement mechanism; substantially as specified.

19. In a type-writer, the combination with a carriage and abutmentcarried thereby, of

a keyboard-locking mechanism comprising an escapement having a movablearm, a vertically-pivoted member having a part for contact with saidescapement-arm, a pawl pivoted on said pivoted member at a right angleto the pivot thereof and having a projection extending into the path ofthe abutment on the carriage of the machine, whereby the movement of thecarriage and its abutment operates the keyboard-locking device; sub- 1stantially as specified.

14. The combination with a carriage having an abutment carried thereby,of a bell-l ringing mechanism comprisingabodypivoted at its ends and adepending oscillating ham- 5 mer projecting from the body at one side ofthe pivots, and a hammer-operating device 20. Akeyboard-locking devicecomprising a member having pivots and a lateral extension, and a pawlmounted upon and embracing the device between said pivots foroscillation with and at an angle to that of the locking device;substantially as specified.

21. Akeyboardrlocking device comprising a vertically-pivoted member havea part arranged to cont-act directly with an arm on an escapement and apawl mounted on said mem= her for oscillation in a plane difierent fromthat of the pivoted member, an upward extension of the pawl projectinginto the path of a carriage, a lower extension thereof, and a spring forholding the pawl yieldingly in one position; substantially as specified.

22 In a type-writer, the combination with a carriage, a feed-raclgacooperating escapement mechanism, of a keyboard locking mechanism, anescapement-locking device mounted for horizontal oscillation into andout of direct contact with an arm on the escapement, a pawl carried bysaid locking device and mounted for oscillation in a different planefrom that of the locking device, an extension from the pawl projectinginto the path of the carriage, and means for returning the parts totheir normal position after operation by the carriage; substantially asspecified.

23. In a keyboard-locking mechanism, a vertically-pivoted member havingan escapement-locking extension, and a pivot-allymounted member thereoncomprising an integral double pawl for oscillation in a plane differentfrom that of the escapement-locking device, a depending extension fromsaid pawl, and a spring connected to said extension whereby the saidpawl is adapted to confine and release two independent movable parts ofthe machine; substantially as specified.

24:. In a type-writer, an escapement-lockeach extremity, and an armcarrying a device for cooperating with the elements of the machine, incombination with the top of the frame having a bearing for one of thepivots and with a case mounted upon the frame and having bearings forthe other of said pivots, said case having an opening for the passage ofthe projecting arm of the device; substantially as specified.

In testimony whereof I afiix my signature in presence of two witnesses.

CHARLES SPIRO. Witnesses:

EDWD. E. JONES, MICHAEL P. OORRIGAN.

